TI (Texas Instruments) UCC2570DG4 Boost: Yes Buck: No Cuk: No Divider: No Doubler: No Duty Cycle: 80% Flyback: Yes Frequency - Max: 500kHz Frequency-max: 500kHz Inverting: No Isolated: No Number Of Outputs: 1 Operating Temperature: -40?°C ~ 85?°C Package / Case: 14-SOIC (3.9mm Width), 14-SOL Pwm Type: Voltage Mode Series: - Voltage - Supply: 10 V ~ 15 V Number of Outputs: 1 Topology: Boost, Flyback, Forward Output Current: 1000 mA Switching Frequency: 500 kHz Operating Supply Voltage: 15 V Maximum Operating Temperature: + 85 C Minimum Operating Temperature: - 40 C Fall Time: 20 ns Mounting Style: SMD/SMT Rise Time: 20 ns Factory Pack Quantity: 1 Synchronous Pin: No